CN204610508U - A kind of high-strength tensile bolt - Google Patents
A kind of high-strength tensile bolt Download PDFInfo
- Publication number
- CN204610508U CN204610508U CN201520308343.4U CN201520308343U CN204610508U CN 204610508 U CN204610508 U CN 204610508U CN 201520308343 U CN201520308343 U CN 201520308343U CN 204610508 U CN204610508 U CN 204610508U
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- China
- Prior art keywords
- bolt
- screw rod
- titanium alloy
- positioning
- bolt head
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Abstract
The utility model discloses a kind of high-strength tensile bolt, comprise bolt head and screw rod, described bolt head lower end surface is provided with double-sided tape, described screw rod upper end at least radial direction is provided with a positioning hole, each positioning hole built-in type is provided with a Returnning spring and a positioning rod, described positioning rod the inner is provided with a spring groove, described Returnning spring outer end is inserted in described spring groove, described positioning rod outer end is exposed positioning hole and is arranged, and positioning rod exterior edge face has been wholely set several sawtooth; Described screw rod outer wall is fixedly installed titanium alloy reinforced layer, and the thickness of described titanium alloy reinforced layer is 5mm, and titanium alloy reinforced layer is provided with outside thread.Adopt technique scheme, reasonable in design, structure are simple, reliable operation, corrosion resistance are good and heat resistance is high, effectively improve the mechanical strength of bolt, extend working life.
Description
Technical field
The utility model relates to bolt technical field, is specifically related to a kind of high-strength tensile bolt.
Background technique
For the big hexagon head bolt of steel structure, 3.4.13 bar regulation in its job specfication " design of JGJ82-91 steel structure high-strength bolt, construction and control of acceptance ": when high-strength bolt with large hexagon bea is tightened, only accurately applies moment of torsion on nut.But, in Construction of Steel Structure, during with Electric torque wrench fastening nut, usually occur bolt along with nut rotate together and cannot be fastening phenomenon.Most of Construction of Steel Structure is all high-lift operation, and bolt skids and makes difficulty of construction very big, and existing high-strength bolt corrosion resistance is poor and heat resistance is low, causes working life short.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is to provide the high-strength tensile bolt that a kind of reasonable in design, structure are simple, reliable operation, corrosion resistance are good and heat resistance is high.
For achieving the above object, the utility model provides following technological scheme: a kind of high-strength tensile bolt, comprise bolt head and screw rod, described bolt head lower end surface is provided with double-sided tape, described screw rod upper end at least radial direction is provided with a positioning hole, each positioning hole built-in type is provided with a Returnning spring and a positioning rod, described positioning rod the inner is provided with a spring groove, described Returnning spring outer end is inserted in described spring groove, described positioning rod outer end is exposed positioning hole and is arranged, and positioning rod exterior edge face has been wholely set several sawtooth; Described screw rod outer wall is fixedly installed titanium alloy reinforced layer, and the thickness of described titanium alloy reinforced layer is 5mm, and titanium alloy reinforced layer is provided with outside thread.
By adopting technique scheme, under the effect of Returnning spring, positioning rod withstands the internal face of existing bolt hole, increasing friction force; And bolt head can be adhesively fixed with existing connected piece by double-sided tape, make can not to produce in bolt construction the phenomenon that bolt follows nut to rotate together, structure is simple, reliable operation; And titanium alloy reinforced layer intensity is high, corrosion resistance good, heat resistance is high, thus extend the working life of bolt.
The utility model is set to further: described titanium alloy reinforced layer is aimed at position of positioning hole and offered through hole, and through hole and positioning hole equal diameters.By this setting, through hole is arranged rationally, uses convenient.
The utility model is also set to further: described bolt head is arranged on screw rod upper end, and screw rod lower end is provided with attachment hole.By this setting, attachment hole is arranged rationally, uses convenient.
The utility model is also set to further: described bolt head upper-end surface is provided with dovetail groove, bolt head is socketed with protective hat, described protective hat inner top is provided with the trapezoidal fixture block matched with described dovetail groove, described protective hat edge is provided with the rib outwards extended, and described protective hat to be coordinated with dovetail groove by trapezoidal fixture block and is arranged on bolt head.By this setting, effectively prevent corrosive gas or liquid and threaded bolt contacts and corrosion impact is caused to bolt, improving the antiseptic property of bolt, ensure that the safe operation of equipment.
The utility model is also set to further: described protective hat adopts corrosion resistant plastics to make.By this setting, Corrosion Protection is better.
The utility model has the advantages that: compared with prior art, the utility model vibrational power flow is more reasonable, and under the effect of Returnning spring, positioning rod withstands the internal face of existing bolt hole, increasing friction force; And bolt head can be adhesively fixed with existing connected piece by double-sided tape, make can not to produce in bolt construction the phenomenon that bolt follows nut to rotate together, structure is simple, reliable operation; And titanium alloy reinforced layer intensity is high, corrosion resistance good, heat resistance is high, effectively improves the mechanical strength of bolt, extends working life.
Below in conjunction with Figure of description and specific embodiment, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the enlarged diagram in I portion in Fig. 1.
Embodiment
See Fig. 1 and Fig. 2, a kind of high-strength tensile bolt disclosed in the utility model, comprise bolt head 1 and screw rod 2, described bolt head 1 lower end surface is provided with double-sided tape 3, described screw rod 2 upper end at least radial direction is provided with a positioning hole 21, each positioning hole 21 built-in type is provided with a Returnning spring 4 and a positioning rod 5, described positioning rod 5 the inner is provided with a spring groove 51, described Returnning spring 4 outer end is inserted in described spring groove 51, described positioning rod 5 outer end is exposed positioning hole 21 and is arranged, and positioning rod 5 exterior edge face has been wholely set several sawtooth 52; Described screw rod 2 outer wall is fixedly installed titanium alloy reinforced layer 22, and the thickness of described titanium alloy reinforced layer 22 is 5mm, and titanium alloy reinforced layer 22 is provided with outside thread 221.
As preferably, described double-sided tape 3 is 3M two sided plaster; Screw rod 2 upper end radial symmetric arranges two positioning holes 21; Every root positioning rod 5 exterior edge face is wholely set 3 sawtooth 52.
For making the utility model structure more reasonable, as preferably, titanium alloy reinforced layer 22 described in the present embodiment is aimed at positioning hole 21 position and is offered through hole 222, and through hole 222 and positioning hole 21 equal diameters.Also arrange through through hole 22 after positioning hole 21 is exposed in described positioning rod 5 outer end, through hole 1-3mm is exposed in positioning rod 5 outer end.
Described bolt head 1 is arranged on screw rod 2 upper end, and screw rod 2 lower end is provided with attachment hole 23.Bolt head 1 and screw rod 2 are wholely set.Titanium alloy reinforced layer 22 is integrally formed structure with screw rod 2 compound.
Described bolt head 1 upper-end surface is provided with dovetail groove 11, bolt head 1 is socketed with protective hat 6, described protective hat 6 inner top is provided with the trapezoidal fixture block 61 matched with described dovetail groove 11, described protective hat 6 edge is provided with the rib 62 outwards extended, and described protective hat 6 to be coordinated with dovetail groove 11 by trapezoidal fixture block 61 and is arranged on bolt head 1.Described protective hat 6 adopts corrosion resistant plastics to make.
During practical application, under the effect of Returnning spring, positioning rod withstands the internal face of existing bolt hole, increasing friction force; And bolt head can be adhesively fixed with existing connected piece by double-sided tape, make can not to produce in bolt construction the phenomenon that bolt follows nut to rotate together, structure is simple, reliable operation; And titanium alloy reinforced layer intensity is high, corrosion resistance good, heat resistance is high, effectively improves the mechanical strength of bolt, extends working life.
Above-described embodiment is to specific descriptions of the present utility model; only for being further described the utility model; can not be interpreted as the restriction to the utility model protection domain, the technician of related domain makes some nonessential improvement according to the content of above-mentioned model utility to the utility model and adjustment all falls within protection domain of the present utility model.
Claims (5)
1. a high-strength tensile bolt, comprise bolt head (1) and screw rod (2), it is characterized in that: described bolt head (1) lower end surface is provided with double-sided tape (3), described screw rod (2) upper end at least radial direction is provided with a positioning hole (21), each positioning hole (21) built-in type is provided with a Returnning spring (4) and a positioning rod (5), described positioning rod (5) the inner is provided with a spring groove (51), described Returnning spring (4) outer end is inserted in described spring groove (51), described positioning rod (5) outer end is exposed positioning hole (21) and is arranged, and positioning rod (5) exterior edge face has been wholely set several sawtooth (52), described screw rod (2) outer wall is fixedly installed titanium alloy reinforced layer (22), the thickness of described titanium alloy reinforced layer (22) is 5mm, and titanium alloy reinforced layer (22) is provided with outside thread (221).
2. a kind of high-strength tensile bolt according to claim 1, it is characterized in that: described titanium alloy reinforced layer (22) is aimed at positioning hole (21) position and offered through hole (222), and through hole (222) and positioning hole (21) equal diameters.
3. a kind of high-strength tensile bolt according to claim 2, it is characterized in that: described bolt head (1) is arranged on screw rod (2) upper end, screw rod (2) lower end is provided with attachment hole (23).
4. a kind of high-strength tensile bolt according to claim 3, it is characterized in that: described bolt head (1) upper-end surface is provided with dovetail groove (11), bolt head (1) is socketed with protective hat (6), described protective hat (6) inner top is provided with the trapezoidal fixture block (61) matched with described dovetail groove (11), described protective hat (6) edge is provided with the rib (62) outwards extended, and described protective hat (6) to be coordinated with dovetail groove (11) by trapezoidal fixture block (61) and is arranged on bolt head (1).
5. a kind of high-strength tensile bolt according to claim 4, is characterized in that: described protective hat (6) adopts corrosion resistant plastics to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308343.4U CN204610508U (en) | 2015-05-13 | 2015-05-13 | A kind of high-strength tensile bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308343.4U CN204610508U (en) | 2015-05-13 | 2015-05-13 | A kind of high-strength tensile bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204610508U true CN204610508U (en) | 2015-09-02 |
Family
ID=53963078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520308343.4U Expired - Fee Related CN204610508U (en) | 2015-05-13 | 2015-05-13 | A kind of high-strength tensile bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204610508U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972024A (en) * | 2016-07-01 | 2016-09-28 | 无锡欧洛普科技有限公司 | Bolt with compressing spring |
| CN115126760A (en) * | 2022-07-14 | 2022-09-30 | 河南航天精工制造有限公司 | Check bolt assembly |
-
2015
- 2015-05-13 CN CN201520308343.4U patent/CN204610508U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972024A (en) * | 2016-07-01 | 2016-09-28 | 无锡欧洛普科技有限公司 | Bolt with compressing spring |
| CN115126760A (en) * | 2022-07-14 | 2022-09-30 | 河南航天精工制造有限公司 | Check bolt assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20190513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |